diff --git a/src/systemcmds/param/param.c b/src/systemcmds/param/param.c index 40a9297a77..65f291f401 100644 --- a/src/systemcmds/param/param.c +++ b/src/systemcmds/param/param.c @@ -1,7 +1,6 @@ /**************************************************************************** * * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. - * Author: Lorenz Meier * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -63,7 +62,7 @@ static void do_import(const char* param_file_name); static void do_show(const char* search_string); static void do_show_print(void *arg, param_t param); static void do_set(const char* name, const char* val); -static void do_compare(const char* name, const char* val); +static void do_compare(const char* name, const char* vals[], unsigned comparisons); int param_main(int argc, char *argv[]) @@ -121,7 +120,7 @@ param_main(int argc, char *argv[]) if (!strcmp(argv[1], "compare")) { if (argc >= 4) { - do_compare(argv[2], argv[3]); + do_compare(argv[2], &argv[3], argc - 3); } else { errx(1, "not enough arguments.\nTry 'param compare PARAM_NAME 3'"); } @@ -306,7 +305,7 @@ do_set(const char* name, const char* val) } static void -do_compare(const char* name, const char* val) +do_compare(const char* name, const char* vals[], unsigned comparisons) { int32_t i; float f; @@ -330,12 +329,16 @@ do_compare(const char* name, const char* val) /* convert string */ char* end; - int j = strtol(val,&end,10); - if (i == j) { - printf(" %d: ", i); - ret = 0; - } + for (unsigned k = 0; k < comparisons; k++) { + + int j = strtol(vals[k],&end,10); + + if (i == j) { + printf(" %d: ", i); + ret = 0; + } + } } break; @@ -345,10 +348,14 @@ do_compare(const char* name, const char* val) /* convert string */ char* end; - float g = strtod(val, &end); - if (fabsf(f - g) < 1e-7f) { - printf(" %4.4f: ", (double)f); - ret = 0; + + for (unsigned k = 0; k < comparisons; k++) { + + float g = strtod(vals[k], &end); + if (fabsf(f - g) < 1e-7f) { + printf(" %4.4f: ", (double)f); + ret = 0; + } } } @@ -359,7 +366,7 @@ do_compare(const char* name, const char* val) } if (ret == 0) { - printf("%c %s: equal\n", + printf("%c %s: match\n", param_value_unsaved(param) ? '*' : (param_value_is_default(param) ? ' ' : '+'), param_name(param)); }